Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8994298 | Movement control apparatus, movement control method, and movement control circuit | Takeshi Shimamoto, Kozo Ezawa | 2015-03-31 |
| 8823812 | Image capturing apparatus and method for displaying a subject of image capturing and indicating motion of the image capturing apparatus during the image capturing | Khang Nguyen, Yusuke Monobe, Kozo Ezawa, Masahiro Inata | 2014-09-02 |
| 8442714 | Autonomous mobile device, and control device and program product for the autonomous mobile device | Yoshihiko Matsukawa, Soichiro Fujioka, Yuji Adachi | 2013-05-14 |
| 7265929 | Method of controlling an actuator, and disk apparatus using the same method | Makoto Umeda, Yoshihiro Ueno, Hideki Kuwajima | 2007-09-04 |
| 7177106 | Disk storage apparatus | Hiroshi Kohso | 2007-02-13 |
| 7064919 | Disk storage apparatus | Hiroshi Kohso | 2006-06-20 |
| 7038877 | Head positioning apparatus | Hiroshi Kohso, Keizo Miyata | 2006-05-02 |
| 7031099 | Head positioner and information recording/replaying apparatus | Hiroshi Kohso, Hideki Kuwajima | 2006-04-18 |
| 7019938 | Head positioning method, and disk apparatus using the same | Keizo Miyata, Hiroshi Kohso | 2006-03-28 |
| 6995945 | Head positioning system, disk drive apparatus using the same, and head positioning method | Hiroshi Kohso | 2006-02-07 |
| 6982848 | Disk apparatus and head positioning method | Keizo Miyata, Hiroshi Kohso, Makoto Umeda | 2006-01-03 |
| 6950271 | Disk drive and disk drive control method | Hiroshi Kohso, Keizo Miyata | 2005-09-27 |
| 6950274 | Disk storage apparatus and disk storage apparatus control method | Hiroshi Kohso, Keizo Miyata, Makoto Umeda | 2005-09-27 |
| 6903896 | Head positioning method, and disk apparatus using the same | Keizo Miyata | 2005-06-07 |
| 5737483 | Motor speed control apparatus for motors | Eiji Ueda, Keisuke Matsuo | 1998-04-07 |
| 5710500 | Motor speed control apparatus using phase-advance based estimated disturbance signal | Keisuke Matsuo | 1998-01-20 |
| 5467004 | Motor speed control apparatus for keeping the speed of the motor fixed in the presence of a disturbance torque | Keisuke Matsuo | 1995-11-14 |
| 5378976 | Brushless DC motor without a position sensor | Eiji Ueda | 1995-01-03 |
| 5376870 | Apparatus for driving a brushless DC motor | Eiji Ueda | 1994-12-27 |
| 5182499 | Sensorless brushless motor | Makoto Gotou | 1993-01-26 |
| 5177416 | Brushless DC motor | Makoto Gotou | 1993-01-05 |
| 5144209 | Brushless DC motor | Makoto Gotou | 1992-09-01 |
| 5130620 | Brushless DC motor without a position sensor | Kenichi Honjo, Makoto Gotou | 1992-07-14 |
| 5065263 | Track following transducer position control system for a disk storage drive system | Shuichi Yoshida, Noriaki Wakabayashi, Hiromi Onodera | 1991-11-12 |
| 4999558 | Position control system | Hiromi Onodera, Tsukasa Yoshiura, Noriaki Wakabayashi, Hiroshi Mitani, Mitsuo Tokura | 1991-03-12 |